EP3648223B1 - Unit cell alignment apparatus and electrode assembly manufacturing method using the same - Google Patents
Unit cell alignment apparatus and electrode assembly manufacturing method using the same Download PDFInfo
- Publication number
- EP3648223B1 EP3648223B1 EP19763438.9A EP19763438A EP3648223B1 EP 3648223 B1 EP3648223 B1 EP 3648223B1 EP 19763438 A EP19763438 A EP 19763438A EP 3648223 B1 EP3648223 B1 EP 3648223B1
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- EP
- European Patent Office
- Prior art keywords
- unit cells
- base member
- guide member
- alignment apparatus
- unit cell
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 238000012546 transfer Methods 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- 229910052744 lithium Inorganic materials 0.000 description 7
- 238000000926 separation method Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910000652 nickel hydride Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/68—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G27/00—Jigging conveyors
- B65G27/02—Jigging conveyors comprising helical or spiral channels or conduits for elevation of materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G57/00—Stacking of articles
- B65G57/02—Stacking of articles by adding to the top of the stack
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
- H01L21/67703—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations between different workstations
- H01L21/67706—Mechanical details, e.g. roller, belt
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
- B65G2201/022—Flat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2814/00—Indexing codes relating to loading or unloading articles or bulk materials
- B65G2814/03—Loading or unloading means
- B65G2814/0301—General arrangements
- B65G2814/0304—Stacking devices
- B65G2814/0305—Adding to the top
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to a unit cell alignment apparatus for the manufacture of an electrode assembly, and more particularly to an apparatus for stacking unit cells on a stacking table in a dropping fashion and aligning the unit cells.
- Secondary batteries which are capable of being charged and discharged, have attracted considerable attention as power sources for transportation means requiring high output and large capacity, including an electric vehicle (EV), a hybrid electric vehicle (HEV), and a plug-in hybrid electric vehicle (Plug-In HEV), which have been proposed as alternatives to existing gasoline and diesel vehicles.
- EV electric vehicle
- HEV hybrid electric vehicle
- Plug-In HEV plug-in hybrid electric vehicle
- the use of a lithium secondary battery has been rapidly increasing, since the capacity of the lithium secondary battery is greater than the capacity of a nickel-cadmium battery or a nickel-hydride battery, which is mainly used as a power source for electronic equipment, and the energy density per unit weight of the lithium secondary battery is high.
- Such a lithium secondary battery mainly uses a lithium-based oxide and a carbon material as a positive electrode active material and a negative electrode active material, respectively.
- the lithium secondary battery includes an electrode assembly, in which a positive electrode plate, to which the positive electrode active material is applied, and a negative electrode plate, to which the negative electrode active material is applied, are disposed in the state in which a separator is disposed therebetween, and a sheathing member, in which the electrode assembly is received together with an electrolytic solution in a sealed state.
- the lithium secondary battery may be classified as a can-shaped secondary battery, in which the electrode assembly is mounted in a metal can, or a pouch-shaped battery, in which the electrode assembly is mounted in a pouch made of an aluminum laminate sheet.
- the can-shaped secondary battery may be classified as a cylindrical battery or a prismatic battery.
- the electrode assembly may be classified as a jelly-roll type electrode assembly, in which a positive electrode plate and a negative electrode plate are wound in the state in which a separator is interposed therebetween, or a stacked type electrode assembly, in which unit cells, each of which includes a positive electrode plate, a negative electrode plate, and a separator interposed therebetween, are sequentially stacked.
- the stacked type electrode assembly is mainly used for a pouch-shaped battery
- the jelly-roll type electrode assembly is mainly used for a can-shaped secondary battery.
- the stacked type electrode assembly which is configured to have a structure in which a plurality of unit cells is sequentially stacked, has come to be widely used, since the energy density per unit weight of the stacked type electrode assembly is high and the stacked type electrode assembly makes it easy to obtain a prismatic shape.
- the stacked type electrode assembly two or more unit cells, each of which includes a positive electrode plate, a negative electrode plate, and a separator interposed between the positive electrode plate and the negative electrode plate, are stacked.
- the unit cells In order to manufacture an electrode assembly manufactured by stacking the unit cells so as to meet a uniform standard, the unit cells must be stacked in an aligned state.
- an electrode assembly manufactured in the state in which unit cells are not properly aligned with each other has disadvantages in that the connection of electrode tabs between the unit cells is difficult and in that space is inefficiently used and thus energy density is low.
- Patent Document 1 discloses a unit cell stacking jig including a vibration-generating unit configured to vibrate the unit cell stacking jig.
- unit cells are immediately aligned with each other as soon as the unit cells are properly inserted into the jig.
- the full insertion of the unit cells into the jig may be guided through the vibration-generating unit.
- Patent Document 2 discloses an apparatus for manufacturing an electrode assembly configured to have a structure in which a plurality of unit cells is wound together with a separation film in the state in which the unit cells are arranged on the separation film, wherein the apparatus is constructed to align the unit cells with each other using the rotation of a web-alignment roller.
- the above construction is applicable only to a structure in which unit cells are wound together with a separation film, but is difficult to apply to a laminated/stacked type electrode assembly.
- Patent Document 3 discloses an alignment apparatus including a base unit provided with an air spray port configured to spray air toward a basic unit body or an auxiliary unit body. However, it is necessary to spray an amount of air sufficient to raise the basic unit body upwards from the surface of the base unit against the weight of the basic unit body, and it is difficult to achieve effective alignment merely by raising the basic unit body upwards.
- the present invention has been made in view of the above problems, and it is an object of the present invention to provide a unit cell alignment apparatus that is capable of effectively aligning unit cells in order to prevent some of the unit cells from not being located on the proper places thereof and deviating from the proper places thereof in a process of stacking the unit cells.
- a unit cell alignment apparatus including a base member, on the upper surface of which unit cells constituting an electrode assembly are stacked parallel thereto, a first guide member located at one side of the base member, the first guide member being disposed so as to be perpendicular to the upper surface of the base member, a second guide member located at the base member, the second guide member being disposed so as to be perpendicular to the upper surface of the base member while being at right angles to the first guide member, and an inclination adjustment member configured to adjust the inclination of the base member.
- an electrode assembly manufacturing method using the unit cell alignment apparatus including (a) a step of transferring a necessary number of unit cells and sequentially stacking the unit cells on the base member, (b) a step of aligning the stacked unit cells, and (c) a step of assembling the stacked and aligned unit cells.
- Step (b) may be performed using the unit cell alignment apparatus.
- the inclination of the base member may be adjusted or vibration may be applied to the stacked unit cells.
- step (a) and step (b) may be simultaneously performed.
- Step (a) and step (b) may be repeatedly performed a number of times in order to form an electrode assembly in which the unit cells are stacked, and then step (c) may be performed.
- a stacked type electrode assembly manufactured using the unit cell alignment apparatus.
- a unit cell alignment apparatus includes a base member, on the upper surface of which unit cells constituting an electrode assembly are stacked parallel thereto, a first guide member located at one side of the base member, the first guide member being disposed so as to be perpendicular to the upper surface of the base member, a second guide member located at the base member, the second guide member being disposed so as to be perpendicular to the upper surface of the base member while being at right angles to the first guide member, and an inclination adjustment member configured to adjust the inclination of the base member.
- the electrode assembly may be a stacked type electrode assembly or a laminated/stacked type electrode assembly.
- the unit cells are moved by a moving means, such as a conveyor belt, and drop onto an alignment apparatus such that the unit cells are stacked in the alignment apparatus.
- a process of stacking the battery cells such that the rectangular planes of the battery cells are parallel to the upper surface of the base member is performed.
- the positions of the unit cells may deviate from each other in the height direction thereof.
- an alignment apparatus configured to have a structure in which guide members are located at opposite sides of each of the unit cells is used.
- the unit cells may be caught by the guide members, whereby the unit cells may be turned upside down, or in the case in which the degree of alignment of the stacked unit cells ends in failure as the result of increasing the distance between the guide members so as to be greater than the width of each of the unit cells in order to prevent the same, an additional alignment process becomes necessary.
- the present invention uses a unit cell alignment apparatus configured to have a structure in which the first guide member and the second guide member are disposed at a position at which the first guide member and the second guide member are at right angles to each other.
- the unit cell alignment apparatus is configured to have a structure in which an inclination is formed in the direction in which the first guide member or the second guide member is located. In addition, it is possible to adjust the direction of inclination using the inclination adjustment member.
- the unit cells may be aligned so as to inevitably overlap each other in the height direction due to the weight of the unit cells.
- the unit cells may be aligned so as to completely overlap each other in the height direction as the result of the two alignment operations.
- the size of the base member may be equal to or greater than the planar size of the electrode assembly.
- the size of the base member may be 100% to 160%, specifically 120% to 140%, of the planar size of the electrode assembly.
- the dropping battery cells may not be settled on the base member but may deviate from the base member.
- the size of the base member corresponds to the electrode assembly, or is greater than the planar size of the electrode assembly.
- the base member is individually or simultaneously moved by the inclination adjustment member in a first direction, a second direction, a third direction, or a reverse direction thereof,
- the first direction is the direction in which the edge at which the base member and the first guide member abut each other is moved downwards
- the second direction is the direction in which the edge at which the base member and the second guide member abut each other is moved downwards
- the third direction is the direction in which the vertex at which the base member, the first guide member, and the second guide member abut each other is moved downwards.
- the direction in which the base member is moved is inclined only in the first direction, the second direction, and the third direction in order to align the unit cells.
- the base member may be inclined in directions opposite the first to third directions by the inclination adjustment member.
- a vibration member configured to apply vibration to the unit cells may be added to the base member.
- vibration may be applied to the unit cells in order to align the unit cells such that they completely overlap each other.
- the length of the first guide member may be 50% or more of the length of the overall length surface of each of the unit cells, from which no electrode tab protrudes, and the length of the second guide member may be 50% or less of the length of the overall width surface of each of the unit cells, from which an electrode tab protrudes, excluding the length of the electrode tab.
- the unit cells may deviate out of the base member, which is undesirable.
- the electrode tab when the electrode tab collides with the second guide member, the electrode tab may be damaged, whereby the electrode tab may have defects and the safety of the electrode tab may be deteriorated.
- the electrode tab of each of the unit cells is laid over the second guide member when the unit cells are moved in the first direction, whereby the overall length surface of each of the unit cells, from which no electrode tab protrudes, is not adjacent to the first guide member and thus alignment is not performed.
- each of the first guide member and the second guide member may be equal or greater than the height of the stacked unit cells.
- the unit cells may drop out of the base member, whereby it is difficult to stack the unit cells.
- the unit cells are located lower than the height of each of the first guide member and the second guide member.
- Each of the first guide member and the second guide member may be configured to have a structure that is replaceable depending on the height of the stacked unit cells.
- Each of the first guide member and the second guide member may include a plurality of discontinuous unit members, and the unit members may be disposed only at one side of the base member.
- a recess into which a transfer means configured to transfer the stacked unit cells to another apparatus is inserted, may be provided in the upper surface of the base member.
- the inclination adjustment member may include a tilting part configured to adjust the inclination of the base member and a rotary part configured to rotate the base member.
- the inclination adjustment member may further include a support part configured to support the tilting part and the rotary part from the ground.
- the base member may be inclined in the first to third directions by the tilting part, whereby the unit cells may be aligned with each other.
- the tilting part may have a structure configured to incline the base member only in any one of the first to third directions, or may have a structure configured to incline the base member 360 degrees, including the first to third directions.
- the tilting part has a structure configured to be inclined only in the first direction even though it is necessary to align the unit cells in the second direction after the unit cells are aligned with each other in the first direction, it is necessary to rotate the base member.
- the base member After the inclination of the base member is formed in the first direction, the base member may be rotated 90 degrees by the rotary member, and the unit cells may be aligned with each other while the inclination of the base member is formed in the second direction.
- the inclination adjustment member may be configured to have a structure in which a plurality of pipes is telescopically connected to each other.
- a plurality of inclination adjustment members may be provided, and the length of one of the inclination adjustment members may become greater or less than the length of each of the other inclination adjustment members as the result of the telescopic movement of the pipes, whereby the inclination of the base member may be formed and thus the unit cells may be aligned with each other.
- the rotary part may rotate the base member in a direction parallel to the ground such that, after the stacking of the unit cells is completed, the stacked unit cells are moved to the next step.
- An alignment measurement member configured to measure the alignment of the stacked unit cells, may be added to the unit cell alignment apparatus.
- the unit cells are further aligned using the inclination adjustment member and the vibration part.
- the unit cells are transferred to another apparatus, or other unit cells are successively stacked.
- An electrode assembly manufacturing method using the unit cell alignment apparatus includes (a) a step of transferring a necessary number of unit cells and sequentially stacking the unit cells on the base member, (b) a step of aligning the stacked unit cells, and (c) a step of assembling the stacked and aligned unit cells.
- Step (b) may be performed using the unit cell alignment apparatus.
- the inclination of the base member may be adjusted, or vibration may be applied to the stacked unit cells.
- step (a) and step (b) may be simultaneously performed.
- Step (a) and step (b) may be repeatedly performed a number of times in order to form an electrode assembly in which the unit cells are stacked, and then step (c) may be performed.
- the present disclosure also provides a stacked type electrode assembly manufactured using the unit cell alignment apparatus.
- FIG. 1 is a perspective view showing a unit cell alignment apparatus according to an embodiment of the present invention.
- FIG. 2 is a perspective view showing a unit cell alignment apparatus according to another embodiment of the present invention.
- a unit cell alignment apparatus 100 or 200 includes a base member 110 or 210, a first guide member 120 or 220, a second guide member 130 or 230, and an inclination adjustment member 140 or 240.
- a unit cell 300 used in the present invention may be an assembly in which electrodes and separators are alternately disposed and integrally coupled to each other.
- the unit cell is formed by sequentially disposing a positive electrode, a separator, a negative electrode, and a separator from above to below.
- the construction of the unit cell is not limited thereto. Various combinations using a positive electrode, a separator, and a negative electrode may be possible.
- the base member 110 or 210 may have a plate shape, and unit cells 300 may be stacked on the base member.
- the base member 110 or 210 is individually or simultaneously moved by the inclination adjustment member 140 or 240 in a first direction, a second direction, a third direction, or a reverse direction thereof.
- the first direction is the direction in which the edge at which the base member 110 or 210 and the first guide member 120 or 220 abut each other is moved downwards about a y axis
- the second direction is the direction in which the edge at which the base member 110 or 210 and the second guide member 130 or 230 abut each other is moved downwards about an x axis
- the third direction is the direction in which the vertex at which the base member 110 or 210, the first guide member 120 or 220, and the second guide member 130 or 230 abut each other is moved downwards.
- the first guide member 120 or 220 is disposed so as to be perpendicular to the upper surface of the base member 110 or 210
- the second guide member 130 or 230 is disposed so as to be perpendicular to the upper surface of the base member 110 or 210 while being at right angles to the first guide member 120 or 220.
- the inclination adjustment member 140 or 240 is disposed at the lower surface of the base member 110 or 210.
- a single inclination adjustment member may be provided, or two or more inclination adjustment members may be provided.
- the inclination adjustment member 140 or 240 may form the inclination of the base member 110 or 210 in order to align the unit cells.
- the inclination adjustment member 140 or 240 may adjust the angle made with the base member 110 or 210 in order to form the inclination of the base member 110 or 210.
- the base member 110 or 210 may be fixed in an inclined state, or may be inclined, may return to the original position thereof, and may be inclined again, which may be repeated.
- the inclination adjustment member 140 in the case in which the inclination adjustment member 140 is constituted by a single structure, the inclination adjustment member includes a support part 141, a tilting part 142, and a rotary part 144.
- the support part 141 supports the base member 110 from the ground, and the tilting part 142 is disposed at the upper part of the support part 141 so as to be moved leftwards and rightwards in order to adjust the angle between the support part and the base member 110, thereby forming the inclination of the base member 110.
- the rotary part 144 may rotate the base member 110 in a direction parallel to the ground in order to transfer the stacked unit cells to another apparatus.
- a joint 143 to which the tilting part 142 is rotatably connected, is further included.
- inclination adjustment members 241, 242, 243, and 244 are disposed at positions adjacent to the vertices of the lower surface of the base member 210.
- Each of the inclination adjustment members 241, 242, 243, and 244 is configured to have a structure in which a plurality of pipes is telescopically connected to each other.
- the structure of the inclination adjustment member of the unit cell alignment apparatus 100 is not particularly restricted, as long as the first guide member and the second guide member, which are disposed so as to be perpendicular to each other, are used and the unit cell alignment apparatus that is capable of aligning unit cells using the inclination adjustment member is used, as shown in FIG. 1 .
- the structures shown in FIGS. 1 and 2 are merely concrete embodiments.
- FIG. 3 is a perspective view showing the state in which the unit cell alignment apparatus 100 of FIG. 1 is moved in the second direction.
- the base member 110 may be moved in the second direction while the tilting part 142 is moved leftwards and rightwards in order to align overall width surfaces, from which electrode tabs protrude.
- the base member 110 In the case in which the base member 110 is rotated 90 degrees by the rotary part 144 and the tilting part 142 is moved leftwards and rightwards, the base member may be moved in the first direction in order to align overall length surfaces, from which no electrode tabs protrude.
- the base member 110 may be moved in the third direction in order to simultaneously align the overall width surfaces, from which the electrode tabs protrude, and the overall length surfaces, from which no electrode tabs protrude.
- FIG. 4 is a view showing that the unit cell alignment apparatus 200 of FIG. 2 is moved in the first direction.
- the base member 210 is moved in the first direction, whereby overall length surfaces, from which no electrode tabs protrude, become adjacent to the first guide member 220 and thus the unit cells 300 are aligned.
- the base member 210 may be moved in the second direction in order to align overall width surfaces, from which electrode tabs protrude.
- the base member 210 may be moved in the third direction in order to simultaneously align the overall width surfaces, from which the electrode tabs protrude, and the overall length surfaces, from which no electrode tabs protrude.
- a vibration member configured to apply vibration to the unit cells may be added to the base member 110 or 210.
- the vibration member may generate vibration in the horizontal direction (x, y) based on the ground of the base member 110 or 210, or may generate vibration in the vertical direction (z) based on the ground of the base member 110 or 210. More preferably, the vibration member simultaneously generates vibration in the horizontal direction (x, y) and vibration in the vertical direction (z) based on the ground, or sequentially generates vibration in the horizontal direction (x, y) and vibration in the vertical direction (z) at a uniform time interval.
- the unit cells When a plurality of unit cells is stacked, the unit cells may not be smoothly moved due to the frictional force generated between the unit cells. In this case, the unit cells may be more effectively aligned by the vibration member.
- a recess, into which a transfer means configured to transfer the stacked unit cells to another apparatus is inserted, may be provided in the upper surface of the base member 110 or 210.
- An alignment measurement member configured to measure the alignment of the stacked unit cells may be added to the unit cell alignment apparatus.
- An electrode assembly manufacturing method which uses the unit cell alignment apparatus described above, includes:
- FIG. 5 is a view showing that unit cells are transferred to the unit cell alignment apparatus through a unit cell transfer apparatus and are then stacked in the unit cell alignment apparatus.
- a plurality of unit cells supplied by the unit cell transfer apparatus 400 may drop downwards due to gravity, and may then be sequentially stacked on the base member.
- step (a) and step (b) may be simultaneously performed.
- the unit cells may be stacked and aligned one by one. That is, one cell may be stacked and aligned, and then the next cell may be stacked.
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- Condensed Matter Physics & Semiconductors (AREA)
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KR1020180026474A KR102354184B1 (ko) | 2018-03-06 | 2018-03-06 | 단위셀 정렬장치 및 이를 이용한 전극조립체 제조 방법 |
PCT/KR2019/002329 WO2019172567A1 (ko) | 2018-03-06 | 2019-02-26 | 단위셀 정렬장치 및 이를 이용한 전극조립체 제조 방법 |
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EP3648223A1 EP3648223A1 (en) | 2020-05-06 |
EP3648223A4 EP3648223A4 (en) | 2020-11-18 |
EP3648223B1 true EP3648223B1 (en) | 2023-10-18 |
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EP19763438.9A Active EP3648223B1 (en) | 2018-03-06 | 2019-02-26 | Unit cell alignment apparatus and electrode assembly manufacturing method using the same |
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US (1) | US11569113B2 (zh) |
EP (1) | EP3648223B1 (zh) |
KR (1) | KR102354184B1 (zh) |
CN (1) | CN110915048B (zh) |
ES (1) | ES2969967T3 (zh) |
HU (1) | HUE065776T2 (zh) |
WO (1) | WO2019172567A1 (zh) |
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KR102354184B1 (ko) * | 2018-03-06 | 2022-01-21 | 주식회사 엘지에너지솔루션 | 단위셀 정렬장치 및 이를 이용한 전극조립체 제조 방법 |
CN111661401B (zh) * | 2020-06-01 | 2022-09-06 | 深圳创视智能视觉技术股份有限公司 | 一种收料装置 |
KR102236698B1 (ko) * | 2020-12-08 | 2021-04-06 | 주식회사 엔시스 | 폴리머전지용 검사장치 |
KR102236688B1 (ko) * | 2020-12-08 | 2021-04-06 | 주식회사 엔시스 | 이차전지용 지그장치 |
KR102236697B1 (ko) * | 2020-12-09 | 2021-04-06 | 주식회사 엔시스 | 이차전지 정렬 공급장치 |
DE102020007725A1 (de) | 2020-12-17 | 2021-12-02 | Daimler Ag | Verfahren zur Montage eines Batteriemoduls |
KR20220148006A (ko) * | 2021-04-28 | 2022-11-04 | 현대자동차주식회사 | 배터리 모듈 정렬도 검사 시스템 및 그 방법 |
DE102022104471A1 (de) * | 2022-02-24 | 2023-08-24 | Körber Technologies Gmbh | Messvorrichtung zur Vermessung der Ausrichtung und/oder Orientierung von Segmenten der Energiezellen produzierenden Industrie und Verfahren zur Herstellung von Segmenten |
CN117954700B (zh) * | 2024-03-27 | 2024-06-18 | 厦门宝龙新能源发展有限公司 | 一种钢带热压机 |
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KR200206056Y1 (ko) | 2000-02-16 | 2000-12-01 | 한종상 | 비닐 백(Vinyl Bag) 자동 정렬 장치 |
JP2001313493A (ja) * | 2000-04-27 | 2001-11-09 | Sony Corp | 電子部品の実装システム |
KR100528810B1 (ko) * | 2004-05-19 | 2005-11-15 | 주식회사 디엠에스 | 기판 이송장치 |
JP2010113997A (ja) | 2008-11-07 | 2010-05-20 | Toyota Motor Corp | 燃料電池セルの積層方法及び積層装置 |
JP2010212139A (ja) | 2009-03-11 | 2010-09-24 | Toyota Motor Corp | 燃料電池セルの積層治具、積層装置及び製造方法 |
US8692261B2 (en) | 2010-05-19 | 2014-04-08 | Koninklijke Philips N.V. | Light emitting device grown on a relaxed layer |
JP5714295B2 (ja) * | 2010-10-26 | 2015-05-07 | Amaz技術コンサルティング合同会社 | 積層体の作製装置および作製方法 |
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KR101241178B1 (ko) * | 2012-07-18 | 2013-03-13 | 다성산업 주식회사 | 자동 프레스 가공시스템용 센터링 적재장치 |
KR101241173B1 (ko) | 2012-12-14 | 2013-03-13 | (주)에이비엠그린텍 | 기존 금속 패널 지붕의 리모델링 시스템 및 그 리모델링 방법 |
KR101587322B1 (ko) * | 2013-08-05 | 2016-01-20 | 주식회사 엘지화학 | 전극조립체용 사행보정장치 |
CN203461595U (zh) * | 2013-09-03 | 2014-03-05 | 新盟包装装潢有限公司 | 对齐装置 |
KR101888207B1 (ko) * | 2013-10-31 | 2018-08-14 | 주식회사 엘지화학 | 전지 셀 적층 지그 |
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KR101943542B1 (ko) * | 2015-09-21 | 2019-01-29 | 주식회사 엘지화학 | 배터리 모듈 및 이를 포함하는 배터리 팩 |
KR102045248B1 (ko) | 2015-11-05 | 2019-11-15 | 주식회사 엘지화학 | 단위셀 정렬 수단을 포함하는 전극조립체 제조 장치 |
KR102089537B1 (ko) * | 2016-04-15 | 2020-03-16 | 주식회사 엘지화학 | 이차전지용 적층시스템 |
KR102354184B1 (ko) * | 2018-03-06 | 2022-01-21 | 주식회사 엘지에너지솔루션 | 단위셀 정렬장치 및 이를 이용한 전극조립체 제조 방법 |
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2018
- 2018-03-06 KR KR1020180026474A patent/KR102354184B1/ko active IP Right Grant
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2019
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- 2019-02-26 HU HUE19763438A patent/HUE065776T2/hu unknown
- 2019-02-26 EP EP19763438.9A patent/EP3648223B1/en active Active
- 2019-02-26 WO PCT/KR2019/002329 patent/WO2019172567A1/ko unknown
- 2019-02-26 CN CN201980003536.XA patent/CN110915048B/zh active Active
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2020
- 2020-01-03 US US16/733,704 patent/US11569113B2/en active Active
Also Published As
Publication number | Publication date |
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CN110915048B (zh) | 2023-09-29 |
ES2969967T3 (es) | 2024-05-23 |
HUE065776T2 (hu) | 2024-06-28 |
EP3648223A1 (en) | 2020-05-06 |
KR102354184B1 (ko) | 2022-01-21 |
CN110915048A (zh) | 2020-03-24 |
US20200144089A1 (en) | 2020-05-07 |
US11569113B2 (en) | 2023-01-31 |
EP3648223A4 (en) | 2020-11-18 |
WO2019172567A1 (ko) | 2019-09-12 |
KR20190105855A (ko) | 2019-09-18 |
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